Rather than lashing at the user questioning the links, a normal thing to do and one everybody should consider before clicking URLs posted by random newbie you should direct your anger at the OP who posted two lines and a link, without giving any info or even better, post the text of the article yourself so that nobody is forced to click on a link to read the news.
Anyhow, this is the important part
So no, it's not like you can scan a QR code at the toll booth and pay via LN, you have to deposit coins in a custodial wallet, then add whatever that fast tag info is, and then as you pay with your coins they will be exchanged to fiat and the NHAI will receive the payment.